75781825

素因数分解:

$5^2\times 7^1\times {\mathrm{31}}^1\times {\mathrm{61}}^1\times {\mathrm{229}}^1$

素因数の和:338

約数の個数: 48

約数和(自身を含む): 113167360

約数和(自身を除く): 37385535

約数列:

[1, 5, 7, 25, 31, 35, 61, 155, 175, 217, 229, 305, 427, 775, 1085, 1145, 1525, 1603, 1891, 2135, 5425, 5725, 7099, 8015, 9455, 10675, 13237, 13969, 35495, 40075, 47275, 49693, 66185, 69845, 97783, 177475, 248465, 330925, 349225, 433039, 488915, 1242325, 2165195, 2444575, 3031273, 10825975, 15156365, 75781825]

約数ペア:

[(1, 75781825), (5, 15156365), (7, 10825975), (25, 3031273), (31, 2444575), (35, 2165195), (61, 1242325), (155, 488915), (175, 433039), (217, 349225), (229, 330925), (305, 248465), (427, 177475), (775, 97783), (1085, 69845), (1145, 66185), (1525, 49693), (1603, 47275), (1891, 40075), (2135, 35495), (5425, 13969), (5725, 13237), (7099, 10675), (8015, 9455)]